Echoing one of Doug Marcus' points:

We recently had a poor patient who had received a screening from Life
Line that said she had a significant problem and needed to have a full
study done (carotid). Since she had no insurance, she had to save and
borrow money to have the duplex done. It was essentially normal.

So... I think it can be as great a disservice to overcall a study as it
is to miss a stenosis. Both situations create unnecessary stress and

John Logan RVT
Technical Director
Noninvasive Vascular Laboratory
Johns Hopkins Bayview Med Ctr

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